Finding the Fourth Proportional to 910,290.96, 1,255,794.84 and 547,501.68
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Solution
The fourth proportional to 910,290.96, 1,255,794.84 and 547,501.68 is: 755,307.71
Step by Step Solution
- Step 1: Write the proportion equation
910,290.96 : 1,255,794.84 = 547,501.68 : x - Step 2: Convert to fraction form
910,290.96/1,255,794.84 = 547,501.68/x - Step 3: Cross multiply
910,290.96x = 1,255,794.84 × 547,501.68 - Step 4: Simplify right side
910,290.96x = 687,549,784,635.33 - Step 5: Solve for x
x = 687,549,784,635.33/910,290.96 - Step 6: Final answer
x = 755,307.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.